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SimpleRssReader.py
# coding: utf-8
# SimpleRSSReader.py
# Original by dlo on Jun 22,2014
# https://github.com/dlo/PythonistaRSSReader
# added to 'Edit' item by beer2011
# Thanks to dlo and 'Pythonista Forum'
import ui
import sqlite3
import console
import feedparser
import clipboard
import urlparse
from dateutil.parser import parse as parse_date
# FeedList display and setting
class FeedListController(object):
def __init__(self, feeds = None):
self.feeds = feeds
self.table = None
def tableview_number_of_sections(self, tableview):
return 1
def tableview_number_of_rows(self, tableview, section):
return len(self.feeds)
def tableview_cell_for_row(self, tableview, section, row):
cell = ui.TableViewCell()
cell.text_label.text = self.feeds[row]['title']
return cell
def tableview_can_delete(self, tableview, section, row):
# Return True if the user should be able to delete the given row.
return True
def tableview_can_move(self, tableview, section, row):
# Return True if a reordering control should be shown for the given row (in editing mode).
return True
def tableview_delete(self, tableview, section, row):
# Called when the user confirms deletion of the given row.
self.user_delete(tableview, section, row)
def tableview_move_row(self, tableview, from_section, from_row, to_section, to_row):
# Called when the user moves a row with the reordering control (in editing mode).
#data = self.data
data = self.feeds
data[to_row], data[from_row] = data[from_row], data[to_row]
tableview.reload()
# delegate routine
def tableview_did_select(self, tableview, section, row):
console.show_activity()
feed = feedparser.parse(self.feeds[row]['url'])
rss_controller = RSSController(feed)
tv = ui.TableView()
tv.name = self.feeds[row]['title']
tv.allows_multiple_selection_during_editing = True
tv.data_source = rss_controller
tv.delegate = rss_controller
table_view.navigation_view.push_view(tv)
console.hide_activity()
pass
def tableview_did_deselect(self, tableview, section, row):
# Called when a row was de-selected (in multiple selection mode).
pass
def tableview_title_for_delete_button(self, tableview, section, row):
# Return the title for the 'swipe-to-***' button.
#return 'Slet' # danish for delete
return 'Delete'
def edit_table(self, sender):
table_view.editing = not table_view.editing
pass
def user_delete(self, tableview, section, row):
#print row
# delete sql data
del_feed = (self.feeds[row]['title'], )
print 'delete', del_feed
#
conn = sqlite3.connect('feeds.db')
#conn.execute('DELETE FROM feeds WHERE url = (?)', [del_feed])
conn.execute('DELETE FROM feeds WHERE title = (?)', del_feed)
conn.commit()
conn.close()
#
self.feeds.pop(row)
tableview.reload()
# RSS read and HP display
class RSSController(object):
def __init__(self, feed):
index = 0
self.feed = feed
self.dates = {}
self.date_indices = []
if feed is None:
return
for entry in self.feed['entries']:
dt = parse_date(entry['published'])
if dt.date() in self.dates:
self.dates[dt.date()].append(entry)
else:
self.dates[dt.date()] = [entry]
self.date_indices.append(dt.date())
index += 1
def tableview_did_select(self, tableview, section, row):
entry = self.dates[self.date_indices[section]][row]
webview = ui.WebView()
webview.name = entry['title']
webview.load_url(entry['link'])
tableview.navigation_view.push_view(webview)
def tableview_number_of_sections(self, tableview):
return len(self.dates)
def tableview_number_of_rows(self, tableview, section):
return len(self.dates[self.date_indices[section]])
def tableview_cell_for_row(self, tableview, section, row):
cell = ui.TableViewCell()
cell.text_label.text = self.dates[self.date_indices[section]][row]['title']
return cell
def tableview_title_for_header(self, tableview, section):
return str(self.date_indices[section])
# DB read and setting
conn = sqlite3.connect('feeds.db')
cursor = conn.execute('pragma user_version')
version = cursor.fetchone()[0]
if version == 0:
conn.execute('BEGIN TRANSACTION')
conn.execute('PRAGMA USER_VERSION=1')
conn.execute('CREATE TABLE feeds (title TEXT UNIQUE, url TEXT UNIQUE)')
conn.commit()
feeds = []
for title, url in conn.execute('SELECT * FROM feeds ORDER BY title'):
feeds.append({'title': title, 'url': url })
conn.close()
# Add feed
@ui.in_background
def add_feed(sender):
url = console.input_alert('', "Enter RSS feed URL:", 'http://www.macstories.net/feed/')
result = urlparse.urlparse(url)
if result.netloc == '':
url = 'http://www.macstories.net/feed/'
indicator = ui.ActivityIndicator()
indicator.center = navigation_view.center
navigation_view.add_subview(indicator)
indicator.bring_to_front()
indicator.start()
feed = feedparser.parse(url)
title = feed['feed']['title']
conn = sqlite3.connect('feeds.db')
conn.execute('INSERT INTO feeds VALUES (?, ?)', (title, url))
conn.commit()
feeds = []
for title, url in conn.execute('SELECT * FROM feeds ORDER BY title'):
feeds.append({'title': title, 'url': url })
conn.close()
feed_list_controller.feeds = feeds
table_view.reload()
indicator.stop()
navigation_view.remove_subview(indicator)
# make view
feed_list_controller = FeedListController(feeds)
add_button_item = ui.ButtonItem('Add Feed URL', None, add_feed)
add_button_item2 = ui.ButtonItem('Edit', None, feed_list_controller.edit_table)
table_view = ui.TableView()
table_view.name = 'Feeds'
table_view.allows_selection_during_editing = True
table_view.data_source = feed_list_controller
table_view.delegate = feed_list_controller
navigation_view = ui.NavigationView(table_view)
navigation_view.right_button_items = [add_button_item]
navigation_view.left_button_items = [add_button_item2]
navigation_view.name = 'RSS Reader'
navigation_view.present('fullscreen')
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